AAT3159 Datasheet, PDF (13/15 Pages) Advanced Analogic Technologies – High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications

ChargePump^TM
PRODUCT DATASHEET
AAT3159
High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
Evaluation Board Schematic
DC-
TP1
DC-
GND
DC+
TP2
TP3
GND
TP4
GND
DC+
GND
ON OFF VIN
J1
R1
24.9K
GND
JP6
C1
1μF
C3
1μF
GND
JP5
U1
1 _D4
2
3
4
5
6
SET
EN/SET
C1+
C1-
7 ^VOUT
C2+
AAT3159
D3 ¹⁴
D2
D1
GND
VIN
13
12
11
10
9
GND ₈
C2-
C2
1μF
C4
1μF
GND
JP1
D1
WHITE
JP2
D2
WHITE
JP3
D3
WHITE
JP4
D4
WHITE
ON OFF
J2
R8
220Ω
R7
100K
GND
VIN
CYCLE
UP
DOWN
GND
SW3
SW2
SW1
R4 R3 R2
1K 1K 1K
U2
1 _VDD
2
3
4
GP5
GP4
GP3
VSS ⁸
GP0
GP1
GP2
7
6
5
PIC12F675
VR1
10K-POT
R5
330Ω
GND
LED0
GREEN
GND
R6
C5
330Ω
1μF
LED7
RED
GND
Figure 4: AAT3159 Evaluation Board Schematic.
Evaluation Board Layout
Figure 5: AAT3159 Evaluation Board
Top Side Layout.
Figure 6: AAT3159 Evaluation Board
Bottom Side Layout.
3159.2007.10.1.0
www.analogictech.com
13